From: Bernhard Held <berny156@gmx.de>
To: development@lists.ipfire.org
Subject: [PATCH v3 2/4] Network::network2bin: return an empty list in case of error
Date: Wed, 14 Feb 2018 20:35:20 +0100 [thread overview]
Message-ID: <20180214193522.26880-3-berny156@gmx.de> (raw)
In-Reply-To: <20180214193522.26880-1-berny156@gmx.de>
[-- Attachment #1: Type: text/plain, Size: 737 bytes --]
'return undef;' will always return a single value 'undef' even in list context.
sub foo { return undef }
if ( my @x = foo() ) {
print "oops, we think we got a result";
}
---
config/cfgroot/network-functions.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/config/cfgroot/network-functions.pl b/config/cfgroot/network-functions.pl
index 070e14d0f..7cd56f799 100644
--- a/config/cfgroot/network-functions.pl
+++ b/config/cfgroot/network-functions.pl
@@ -139,7 +139,7 @@ sub network2bin($) {
my $netmask_bin = &ip2bin($netmask);
if (!defined $address_bin || !defined $netmask_bin) {
- return undef;
+ return ();
}
my $network_start = $address_bin & $netmask_bin;
--
2.16.1
next prev parent reply other threads:[~2018-02-14 19:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 19:35 [PATCH v3 0/4] proxy.cgi fixes for bugzilla #10852 Bernhard Held
2018-02-14 19:35 ` [PATCH v3 1/4] Network::network_equal: fix check if array is fully defined Bernhard Held
2018-02-14 22:11 ` Michael Tremer
2018-02-14 19:35 ` Bernhard Held [this message]
2018-02-14 22:12 ` [PATCH v3 2/4] Network::network2bin: return an empty list in case of error Michael Tremer
2018-02-14 22:59 ` Aw: " Bernhard Bitsch
2018-02-14 19:35 ` [PATCH v3 3/4] proxy.cgi: strip newline from subnet parameters Bernhard Held
2018-02-14 23:14 ` Aw: " Bernhard Bitsch
2018-02-15 6:38 ` Bernhard Held
2018-02-14 19:35 ` [PATCH v3 4/4] proxy.cgi: fix subnet comparison for proxy.pac generation Bernhard Held
2018-02-14 22:14 ` Michael Tremer
2018-02-15 7:15 ` Bernhard Held
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